Quality Customer Service & Sales has been nurturing relationships since 1991 with our call center & telemarketing services. QCSS has built some of the most advanced Smart Centers in the world; Complete Customer Engagement Centers. We are a United States call center & telemarketing firm, with multiple locations in the Midwest. We employ U.S. agents only. QCSS has extensive experience in both Business to Business (B2B) & Business to Consumer (B2C) markets to be your primary telemarketing solution in the following services: